The NASA astronaut knocks loudly three times on a what appears to be a nondescript door, and calls cheerfully: "You ready to come out?" Anca Selariu, Ross Brockwell, Nathan Jones and team leader Kelly Haston have spent the past 378 days sealed inside the "Martian" habitat in Houston, Texas, part of NASA's research into what it will take to put …
Little did the authorities at the Brazilian city of Sao Paulo know when they stopped a cache of fossils from flying out of the country by smugglers eight years ago, that it would be part of a bizarre flying reptile. Paleontologists at the University of São Paulo have identified the fossils that were stopped from smuggling in 2013 as a …
